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Nulliparous Pregnancy Outcomes Study Monitoring Mothers-to-be
Maximum Length of Hypopneas (Supine): Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used from type III home sleep apnea test
A4b. Visit of Sleep Study vs Maximum Length of Hypopneas (Supine): Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used from type III home sleep apnea test
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 1
3,012
16.6
± 15.4
15.0
0.0
148.0
-
3,012
Visit 3
2,332
14.3
± 15.1
13.0
0.0
104.0
-
2,332
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Maximum Length of Hypopneas (Supine): Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used from type III home sleep apnea test
Visit 1
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
3,012
16.6
± 15.4
15.0
0.0
148.0
-
3,012
Non-Hispanic White
1,842
17.1
± 15.6
16.0
0.0
148.0
-
1,842
Non-Hispanic Black
359
14.1
± 15.0
13.0
0.0
93.0
-
359
Hispanic
557
15.6
± 14.5
15.0
0.0
89.0
-
557
Asian
112
23.0
± 19.2
21.0
0.0
90.0
-
112
Other
142
15.0
± 12.4
14.0
0.0
59.0
-
142
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Maximum Length of Hypopneas (Supine): Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used from type III home sleep apnea test